# Ensō~Chan - A Multi Purpose Discord Bot That Has Everything Your Server Needs!
# Copyright (C) 2020 Hamothy
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see .
import asyncio
import inspect
import io
import textwrap
import traceback
from contextlib import redirect_stdout
from typing import Optional
import asyncpg
from discord import Member
from discord.ext.commands import Cog, command, is_owner
def cleanup_code(content):
"""Automatically removes code blocks from the code."""
# remove ```py\n```
if content.startswith('```') and content.endswith('```'):
return '\n'.join(content.split('\n')[1:-1])
# remove `foo`
return content.strip('` \n')
def paginate(text: str):
"""Simple generator that paginates text."""
last = 0
pages = []
for curr in range(0, len(text)):
if curr % 1980 == 0:
pages.append(text[last:curr])
last = curr
appd_index = curr
if appd_index != len(text) - 1:
pages.append(text[last:curr])
return list(filter(lambda a: a != '', pages))
def get_syntax_error(e):
if e.text is None:
return f'```py\n{e.__class__.__name__}: {e}\n```'
return f'```py\n{e.text}{"^":>{e.offset}}\n{e.__class__.__name__}: {e}```'
class Owner(Cog):
"""Commands for Ensō server"""
def __init__(self, bot):
self.bot = bot
@command(name="dm", hidden=True)
@is_owner()
async def dm(self, ctx, member: Member, *, text):
"""DM users"""
# Delete the message sent instantly
await ctx.message.delete()
# Send the message typed the mentioned user
await member.send(text)
@command(name="leave", hidden=True)
@is_owner()
async def leave(self, ctx):
"""Leaves the guild"""
await self.bot.generate_embed(ctx, desc="**Leaving the guild... Bye Bye uvu**")
await ctx.guild.leave()
@command(name="forceprefix", hidden=True)
@is_owner()
async def override_prefix(self, ctx, new: Optional[str] = None):
"""Override the prefix in any given guild (Owner only)"""
# As long as a new prefix has been given and is less than 5 characters
if new and len(new) <= 5:
# Store the new prefix in the dictionary and update the database
await self.bot.storage_prefix_for_guild(ctx, new)
# Making sure that errors are handled if prefix is above 5 characters
elif new and len(new) > 5:
await self.bot.generate_embed(ctx, desc="The guild prefix must be less than or equal to **5** characters!")
# if no prefix was provided
elif not new:
# Grab the current prefix for the guild within the cached dictionary
prefix = self.bot.get_prefix_for_guild(ctx.guild.id)
await self.bot.generate_embed(ctx, desc=f"**The current guild prefix is `{prefix}`**")
@command(name="restart", hidden=True)
@is_owner()
async def restart(self, ctx):
"""Restart the bot"""
# Close the database connection
try:
await asyncio.wait_for(self.bot.db.close(), timeout=1.0)
# Catch errors
except asyncio.TimeoutError:
await self.bot.generate_embed(ctx, desc="**Database Connection Timed Out!")
# Shutdown the bot
else:
await self.bot.generate_embed(ctx, desc="**Success Senpai!"
"\nMy Reboot Had No Problems** ")
await self.bot.logout()
@command(name="reloadusers", hidden=True)
@is_owner()
async def reload_db(self, ctx):
"""Reloads the database by inserting/updating all the records"""
# Store every single record into an array
records = [(ctx.guild.id, member.id) for member in ctx.guild.members]
# Setup up pool connection
pool = self.bot.db
async with pool.acquire() as conn:
# Define the insert statement that will insert the user's information
try:
insert_query = """INSERT INTO members (guild_id, member_id) VALUES ($1, $2)
ON CONFLICT (guild_id, member_id) DO NOTHING"""
await conn.executemany(insert_query, records)
# Catch errors
except asyncpg.PostgresError as e:
print(f"PostGres Error: Member(s) were not be able to be added to Guild", e)
# Print success
else:
print(f"Record(s) Inserted Into Members")
@command(name="cache", hidden=True)
@is_owner()
async def set_cache(self, ctx, size: Optional[int]):
"""Allow me to dynamically set the cache max size"""
# Change the size of the cache
if size:
try:
self.bot.member_cache.change_array_size(size)
# Catch errors
except Exception as e:
print(e)
# Let me that it's successful
else:
await self.bot.generate_embed(ctx, desc=f"Cache Now Storing To **{size}** Records")
# Display the length of the current queue and cache and the max length of the cache
else:
max_cache_len, cache_len, queue_len = self.bot.member_cache.get_size()
await self.bot.generate_embed(ctx, desc=f"Current Records Stored Within Cache: **{cache_len}**"
f"\nCurrent Queue Length: **{queue_len}**"
f"\nMax Size Of Cache: **{max_cache_len}**")
@command(name="eval", hidden=True)
@is_owner()
async def _eval(self, ctx, *, body):
"""
Evaluates python code
Gracefully yoinked from (https://github.com/fourjr/eval-bot)"""
env = {
'ctx': ctx,
'bot': self.bot,
'channel': ctx.channel,
'author': ctx.author,
'guild': ctx.guild,
'message': ctx.message,
'source': inspect.getsource
}
env.update(globals())
body = cleanup_code(body)
stdout = io.StringIO()
err = out = None
to_compile = f'async def func():\n{textwrap.indent(body, " ")}'
try:
exec(to_compile, env)
except Exception as e:
err = await ctx.send(f'```py\n{e.__class__.__name__}: {e}\n```')
return await ctx.message.add_reaction('\u2049')
func = env['func']
try:
with redirect_stdout(stdout):
ret = await func()
except Exception as e:
value = stdout.getvalue()
err = await ctx.send(f'```py\n{value}{traceback.format_exc()}\n```')
else:
value = stdout.getvalue()
if ret is None:
if value:
try:
out = await ctx.send(f'```py\n{value}\n```')
except:
paginated_text = paginate(value)
for page in paginated_text:
if page == paginated_text[-1]:
out = await ctx.send(f'```py\n{page}\n```')
break
await ctx.send(f'```py\n{page}\n```')
else:
try:
out = await ctx.send(f'```py\n{value}{ret}\n```')
except:
paginated_text = paginate(f"{value}{ret}")
for page in paginated_text:
if page == paginated_text[-1]:
out = await ctx.send(f'```py\n{page}\n```')
break
await ctx.send(f'```py\n{page}\n```')
if out:
await ctx.message.add_reaction('\u2705') # tick
elif err:
await ctx.message.add_reaction('\u2049') # x
else:
await ctx.message.add_reaction('\u2705')
def setup(bot):
bot.add_cog(Owner(bot))